The intergranular carbides may significantly increase rupture life and ductility of the Fe-15Cr-25Ni alloy.This seems due to the grain boundary sliding and diffusion hindered by precipitation of intergranular carbides...The intergranular carbides may significantly increase rupture life and ductility of the Fe-15Cr-25Ni alloy.This seems due to the grain boundary sliding and diffusion hindered by precipitation of intergranular carbides,so the nucleation and growth rate of cracks or cavities are reduced.展开更多
Considering the effect of intergranular carbides density,a modified model has been proposed to try to suit any common case of the fraction of intergranular carbides to total grain bounda- ry less than I,on the basis o...Considering the effect of intergranular carbides density,a modified model has been proposed to try to suit any common case of the fraction of intergranular carbides to total grain bounda- ry less than I,on the basis of the previous model for the grain boun dary precipitation strengthening.This modified model may by avilable to predict the changes in creep rate and its stress and temperature dependence of alloys due to intergrnular carbides.展开更多
文摘The intergranular carbides may significantly increase rupture life and ductility of the Fe-15Cr-25Ni alloy.This seems due to the grain boundary sliding and diffusion hindered by precipitation of intergranular carbides,so the nucleation and growth rate of cracks or cavities are reduced.
文摘Considering the effect of intergranular carbides density,a modified model has been proposed to try to suit any common case of the fraction of intergranular carbides to total grain bounda- ry less than I,on the basis of the previous model for the grain boun dary precipitation strengthening.This modified model may by avilable to predict the changes in creep rate and its stress and temperature dependence of alloys due to intergrnular carbides.
